Stellarium Web Stellarium is a free open source planetarium for your computer. This is the WASM version: it runs in your browser! Hal Canary 2022-10-12 11:22:26-04:00 (EDT) https://halcanary.org/vv/2022/10/12/3028/ #computersAndCode; #space Stellarium is a free open source planetarium for your computer. This is the WASM version: it runs in your browser! https://stellarium-web.org/